12162212101 has 16 divisors (see below), whose sum is σ = 13258546560. Its totient is φ = 11089684800.

The previous prime is 12162212089. The next prime is 12162212119. The reversal of 12162212101 is 10121226121.

It is a cyclic number.

It is not a de Polignac number, because 12162212101 - 2⁷ = 12162211973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12162212801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334071 + ... + 368683.

It is an arithmetic number, because the mean of its divisors is an integer number (828659160).

Almost surely, 2^12162212101 is an apocalyptic number.

It is an amenable number.

12162212101 is a deficient number, since it is larger than the sum of its proper divisors (1096334459).

12162212101 is a wasteful number, since it uses less digits than its factorization.

12162212101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34956.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 12162212101 its reverse (10121226121), we get a palindrome (22283438222).

The spelling of 12162212101 in words is "twelve billion, one hundred sixty-two million, two hundred twelve thousand, one hundred one".